WO2024140647A1 - 测量方法、装置及系统 - Google Patents
测量方法、装置及系统 Download PDFInfo
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- WO2024140647A1 WO2024140647A1 PCT/CN2023/141827 CN2023141827W WO2024140647A1 WO 2024140647 A1 WO2024140647 A1 WO 2024140647A1 CN 2023141827 W CN2023141827 W CN 2023141827W WO 2024140647 A1 WO2024140647 A1 WO 2024140647A1
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0048—Allocation of pilot signals, i.e. of signals known to the receiver
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L1/00—Arrangements for detecting or preventing errors in the information received
- H04L1/0001—Systems modifying transmission characteristics according to link quality, e.g. power backoff
- H04L1/0009—Systems modifying transmission characteristics according to link quality, e.g. power backoff by adapting the channel coding
- H04L1/0013—Rate matching, e.g. puncturing or repetition of code symbols
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/26025—Numerology, i.e. varying one or more of symbol duration, subcarrier spacing, Fourier transform size, sampling rate or down-clocking
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L27/00—Modulated-carrier systems
- H04L27/26—Systems using multi-frequency codes
- H04L27/2601—Multicarrier modulation systems
- H04L27/2602—Signal structure
- H04L27/261—Details of reference signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0044—Allocation of payload; Allocation of data channels, e.g. PDSCH or PUSCH
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0053—Allocation of signalling, i.e. of overhead other than pilot signals
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/003—Arrangements for allocating sub-channels of the transmission path
- H04L5/0058—Allocation criteria
- H04L5/0073—Allocation arrangements that take into account other cell interferences
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04L—TRANSMISSION OF DIGITAL INFORMATION, e.g. TELEGRAPHIC COMMUNICATION
- H04L5/00—Arrangements affording multiple use of the transmission path
- H04L5/0091—Signalling for the administration of the divided path, e.g. signalling of configuration information
- H04L5/0094—Indication of how sub-channels of the path are allocated
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0453—Resources in frequency domain, e.g. a carrier in FDMA
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W24/00—Supervisory, monitoring or testing arrangements
- H04W24/08—Testing, supervising or monitoring using real traffic
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/04—Wireless resource allocation
- H04W72/044—Wireless resource allocation based on the type of the allocated resource
- H04W72/0446—Resources in time domain, e.g. slots or frames
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- H—ELECTRICITY
- H04—ELECTRIC COMMUNICATION TECHNIQUE
- H04W—WIRELESS COMMUNICATION NETWORKS
- H04W72/00—Local resource management
- H04W72/20—Control channels or signalling for resource management
- H04W72/23—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal
- H04W72/232—Control channels or signalling for resource management in the downlink direction of a wireless link, i.e. towards a terminal the control data signalling from the physical layer, e.g. DCI signalling
Definitions
- a measurement method is provided, which can be executed by a terminal device, or can also be executed by a chip or circuit used for the terminal device, which is not limited in the present application.
- a measurement method is provided, which can be executed by a terminal device, or can also be executed by a chip or circuit used for the terminal device, which is not limited in the present application.
- the following description is given by taking the execution by the terminal device as an example.
- the method includes: receiving indication information of a first resource, the first resource includes a second resource, a third resource and a fourth resource, the second resource is used to transmit first data, the third resource does not transmit the first data, a demodulation reference signal DMRS corresponding to the first data is transmitted through a fourth resource, and a time domain resource corresponding to the third resource is different from a time domain resource included in the fourth resource; and determining a first measurement result based on the third resource.
- the first measurement result may be an interference measurement result between different cells.
- the fourth resource and the third resource are different, which can be understood as the time domain resource corresponding to the third resource and the time domain resource corresponding to the fourth resource are different, or the frequency domain resource corresponding to the third resource and the frequency domain resource corresponding to the fourth resource are different, or the time-frequency resource corresponding to the third resource and the time-frequency resource corresponding to the fourth resource are different.
- This application is not limited to this.
- indication information of the first resource may also be received, the first resource includes the second resource, and may also include the third resource and the fourth resource, and the indication information may be PDSCH time-frequency resource allocation information in the DCI.
- the third resource performs rate matching on the first data.
- the first shared channel corresponds to the first cell.
- the first shared channel may be configured by the network device for the first cell, where the first cell is the cell where the terminal device is located, or in other words, the first cell is the service cell of the terminal device.
- the second measurement result may be an interference measurement result between different devices in a cell.
- the cell includes multiple UEs, and the second measurement result may be an interference measurement result between different UEs.
- the second measurement result is the interference between data streams corresponding to ports in the cell.
- a DMRS is transmitted on a resource different from the third resource (i.e., a fourth resource), and the DMRS can be used to determine the second measurement result.
- the first measurement result and the second measurement result are determined by different resources, such as the OFDM symbols corresponding to the fourth resource and the third resource are different.
- Both intra-cell interference and inter-cell interference can be measured through dedicated resources, while avoiding the possible impact of intra-cell interference measurement on inter-cell interference measurement, further improving the accuracy of channel measurement.
- the first measurement result and the second measurement result are combined to form a total interference measurement result, which can be used for data reception.
- the first DMRS is associated with an interfering DMRS port
- the first DMRS corresponds to the first shared channel
- the first DMRS belongs to the DMRS
- the second measurement result is associated with the interfering DMRS port.
- the interfering DMRS port can be determined by the first DMRS, and then the second measurement result can be determined by the interfering DMRS port.
- the first DMRS port number is determined
- the interfering DMRS port number is determined according to the first DMRS port number
- the second measurement result is determined according to the time-frequency resource and sequence corresponding to the interfering DMRS number.
- the first DMRS may be used for data channel estimation of the first shared channel.
- the third resource in a resource block group RBG, corresponds to N OFDM symbols in the time domain, N is a positive integer greater than or equal to 1, and corresponds to M subcarriers in the frequency domain, M is a positive integer greater than or equal to 1.
- the first pattern belongs to at least one pattern, the at least one pattern corresponds one-to-one with at least one cell, the first pattern corresponds to the first cell, and the first cell belongs to the at least one cell.
- the relationship may be a corresponding relationship, or a formula for determining the third resource according to the above parameters, which is not limited in the present application.
- the DCI is used to indicate an index of the first port
- the DCI is also used to indicate the first cell.
- the third resource in a resource block group RBG, corresponds to N OFDM symbols in the time domain, N is a positive integer greater than or equal to 1, and corresponds to M subcarriers in the frequency domain, M is a positive integer greater than or equal to 1.
- the third resource also includes a third OFDM symbol
- the index of the first OFDM symbol in the third resource is L
- the index of the second OFDM symbol in the third resource is L+1
- the index of the third OFDM symbol in the third resource is L+1.
- the reference is L+2
- there is a first interval between the first OFDM symbol and the second OFDM symbol there is a second interval between the second OFDM symbol and the third OFDM symbol
- the number of OFDM symbols included in the first interval is the same as the number of OFDM symbols included in the second interval.
- determining the third resource includes: determining the N OFDM symbols and the M subcarriers corresponding to the third resources based on at least one of the number of OFDM symbols occupied by the first shared channel, the number of OFDM symbols occupied by the DMRS, or the MCS corresponding to the first shared channel, or the scheduling bandwidth or the number of RBs corresponding to the first shared channel.
- the cell set includes at least one cell, and the at least one cell corresponds one-to-one to at least one frequency domain resource offset and/or time domain resource index offset, the frequency domain resource offset is the offset of the frequency domain resource of the third resource relative to the index of the first subcarrier of the first resource, and the time domain resource offset is the offset of the time domain resource of the third resource relative to the index of the first OFDM symbol of the first resource.
- determining the third resource includes: determining the resource corresponding to the third resource in the frequency domain based on the number of cells included in the cell set, the MCS corresponding to the first shared channel and/or the scheduling bandwidth or RB number corresponding to the first shared channel.
- the first measurement result is an interference hypothesis of a data signal of a second cell on the first data, the first measurement result is used for receiving the first data, the second cell belongs to the cell set, and the second cell is different from the first cell.
- the communication device also includes a transceiver module, which is used to receive a DMRS corresponding to the first data on the fourth resource, and the DMRS is associated with a second measurement result, and the second measurement result is used for receiving or sending the first shared channel, and the fourth resource belongs to the first resource.
- a transceiver module which is used to receive a DMRS corresponding to the first data on the fourth resource, and the DMRS is associated with a second measurement result, and the second measurement result is used for receiving or sending the first shared channel, and the fourth resource belongs to the first resource.
- the first DMRS is associated with an interfering DMRS port
- the first DMRS is carried on the first shared channel
- the first DMRS belongs to the DMRS corresponding to the first data
- the second measurement result is associated with the interfering DMRS port.
- the third resource in a resource block group RBG, corresponds to N OFDM symbols in the time domain, N is a positive integer greater than or equal to 1, and corresponds to M subcarriers in the frequency domain, M is a positive integer greater than or equal to 1.
- the N OFDM symbols when N is greater than or equal to 2, the N OFDM symbols include a first OFDM symbol and a second OFDM symbol, the difference between the indexes corresponding to the first OFDM symbol and the second OFDM symbol in the third resource is 1, and there is a gap between the first OFDM symbol and the second OFDM symbol, and the gap includes at least one OFDM symbol.
- the N OFDM symbols include a first OFDM symbol and a second OFDM symbol
- the index of the first OFDM symbol in the third resource is L
- the corresponding index of the second OFDM symbol in the third resource is L+1
- the symbol index corresponding to the first OFDM symbol among the N OFDM symbols is X+1, where X is the index of the last symbol corresponding to the pre-DMRS.
- the symbol index is X
- the first symbol of the N symbols corresponds to the symbol index X+1
- the symbol indexes are Y and Y+1 respectively
- the first symbol of the N symbols corresponds to the symbol index Y+2.
- each of the N symbols is following a symbol corresponding to a preceding DMRS, and the index of any of the N symbols is n+1, where n is the index of the last symbol corresponding to the preceding DMRS closest to the symbol.
- the third resource also includes a third OFDM symbol, the corresponding indexes of the first OFDM symbol, the second OFDM symbol, and the third OFDM symbol in the third resource are incremented sequentially, there is a first interval between the first OFDM symbol and the second OFDM symbol, there is a second interval between the second OFDM symbol and the third OFDM, and the number of OFDM symbols included in the first interval is the same as the number of OFDM symbols included in the second interval.
- the cell set includes at least one cell, and the at least one cell corresponds one-to-one to at least one frequency domain resource offset and/or time domain resource index offset, the frequency domain resource offset is the offset of the frequency domain resource of the third resource relative to the index of the first subcarrier of the first resource, and the time domain resource offset is the offset of the time domain resource of the third resource relative to the index of the first OFDM symbol of the first resource.
- the number of OFDM symbols corresponding to the third resource in the time domain is determined based on the number of OFDM symbols occupied by the first shared channel and the number of OFDM symbols occupied by the MCS and/or DMRS corresponding to the first shared channel.
- the number of subcarriers corresponding to the third resource in the frequency domain is determined based on the number of cells included in the cell set, the MCS corresponding to the first shared channel and/or the scheduling bandwidth or RB number corresponding to the first shared channel.
- the transceiver module is used to receive downlink control information DCI, where the DCI is used to indicate the third resource, and the processing module is used to obtain the third resource according to the DCI.
- the DCI is used to indicate a first reference signal resource type, the first reference signal resource type corresponds to a first pattern, the first pattern includes location information of the third resource in the first shared channel, or the DCI is used to indicate the first pattern.
- the DCI is used to indicate a first reference signal type
- the first reference signal type corresponds to at least one first pattern
- the first pattern includes position information of the third resource in the first resource
- the first reference signal type belongs to at least one reference signal type
- each reference signal type in the at least one reference signal type corresponds to at least one first pattern.
- the DCI is used to indicate a first relationship, wherein the first relationship is a relationship between the third resource and at least one of the number of OFDM symbols occupied by the first shared channel, the number of OFDM symbols occupied by DMRS, the number of cells included in the cell set, the MCS corresponding to the first shared channel, or the scheduling bandwidth or the number of physical resource blocks RBs corresponding to the first shared channel, and the first cell belongs to the cell set.
- the DCI is used to indicate an index of a first port, the index of the first port corresponds to a first reference signal resource type, the first reference signal resource type corresponds to the first relationship, or the index of the first port corresponds to the first relationship.
- the index of the first port corresponds to a first reference signal type
- the first reference signal type corresponds to the first relationship
- the first reference signal type belongs to at least one reference signal type
- each reference signal type in the at least one reference signal type corresponds to at least one first relationship
- the first port belongs to at least one port
- the first relationship belongs to at least one relationship
- the at least one port has a one-to-one correspondence with the at least one relationship.
- the DCI is also used to indicate the first cell.
- the first measurement result is an interference hypothesis of a data signal of a second cell on the first data
- the first measurement result is used for receiving the first data
- the second cell belongs to the cell set
- the second cell is different from the first cell.
- the third aspect is an implementation method on the device side corresponding to the first aspect, and the relevant explanations, supplements and descriptions of the beneficial effects of the first aspect are also applicable to the third aspect and will not be repeated here.
- the rate matching corresponding to the first data is performed on the first resource, and the third resource belongs to the time-frequency resource corresponding to the first shared channel.
- the first shared channel corresponds to the first cell.
- the transceiver module is used to send a DMRS corresponding to the first data on the fourth resource, the DMRS is associated with a second measurement result, and the second measurement result is used for receiving the first shared channel.
- the third resource corresponds to N OFDM symbols in the time domain, N is a positive integer greater than or equal to 1, and corresponds to M subcarriers in the frequency domain, M is a positive integer greater than or equal to 1.
- N is greater than or equal to 2
- the N OFDM symbols include a first OFDM symbol and a second OFDM symbol, and the difference between the indexes corresponding to the first OFDM symbol and the second OFDM symbol in the third resource is 1.
- There is a gap between the first OFDM symbol and the second OFDM symbol and the gap includes at least one OFDM symbol.
- the N OFDM symbols include a first OFDM symbol and a second OFDM symbol
- the index of the first OFDM symbol in the third resource is L
- the corresponding index of the second OFDM symbol in the third resource is L+1
- the symbol index corresponding to the first OFDM symbol among the N OFDM symbols is X+1, where X is the index of the last symbol corresponding to the pre-DMRS.
- the symbol index is X
- the first symbol of the N symbols corresponds to the symbol index X+1
- the symbol indexes are Y and Y+1 respectively, and the first symbol of the N symbols corresponds to the symbol index Y+2.
- each of the N symbols is following a symbol corresponding to a preceding DMRS, and the index of any of the N symbols is n+1, where n is the index of the last symbol corresponding to the preceding DMRS closest to the symbol.
- the processing module is used to determine the N OFDM symbols and the M subcarriers of the third resource based on at least one of the number of OFDM symbols occupied by the first shared channel, the number of OFDM symbols occupied by the DMRS, or the MCS corresponding to the first shared channel.
- the cell set includes at least one cell, and the at least one cell corresponds one-to-one to at least one frequency domain resource offset and/or time domain resource index offset, the frequency domain resource offset is the offset of the frequency domain resource of the third resource relative to the index of the first subcarrier of the first resource, and the time domain resource offset is the offset of the time domain resource of the third resource relative to the index of the first OFDM symbol of the first resource.
- the processing module is specifically used to determine the resource corresponding to the third resource in the time domain based on the number of OFDM symbols occupied by the first shared channel and the number of OFDM symbols occupied by the MCS and/or DMRS corresponding to the first shared channel.
- the transceiver module is further used to send downlink control information DCI, where the DCI is used to indicate the third resource.
- the DCI is used to indicate a first reference signal resource type, the first reference signal resource type corresponds to a first pattern, the first pattern includes position information of the third resource in the first shared channel, or the DCI is used to indicate the first pattern.
- the DCI is used to indicate a first reference signal type
- the first reference signal type corresponds to at least one first pattern
- the first pattern includes position information of the third resource in the first resource
- the first reference signal type belongs to at least one reference signal type
- each reference signal type in the at least one reference signal type corresponds to at least one first pattern
- the first pattern belongs to at least one pattern, the at least one pattern corresponds one-to-one with at least one cell, the first pattern corresponds to the first cell, and the first cell belongs to the at least one cell.
- the DCI is used to indicate a first relationship, wherein the first relationship is a relationship between the third resource and at least one of the number of OFDM symbols occupied by the first shared channel, the number of OFDM symbols occupied by DMRS, the number of cells included in the cell set, the MCS corresponding to the first shared channel, or the scheduling bandwidth or the number of physical resource blocks RBs corresponding to the first shared channel, and the first cell belongs to the cell set.
- the index of the first port corresponds to a first reference signal resource type
- the first reference signal resource type corresponds to the first relationship
- the index of the first port corresponds to the first relationship
- the DCI corresponds to a first index
- the first index corresponds to the first cell
- the first index belongs to a control resource set index
- the communication device is a chip configured in a terminal device.
- the communication interface may be an input/output interface.
- a processor comprising: an input circuit, an output circuit, and a processing circuit.
- the processing circuit is used to receive a signal through the input circuit and transmit a signal through the output circuit, so that the processor executes any one of the first to fourth aspects.
- the memory may be integrated with the processor, or the memory may be provided separately from the processor.
- a computer-readable storage medium which stores a computer program (also referred to as code, or instructions).
- a computer program also referred to as code, or instructions.
- a communication system comprising at least one terminal device and at least one network device, for executing a method in any possible implementation of the first aspect or the second aspect.
- FIG. 6 is a schematic diagram of a measurement method provided in an embodiment of the present application.
- FIG7( a ) is a schematic diagram of a time domain resource provided in an embodiment of the present application.
- FIG7( b ) is a schematic diagram of another time domain resource provided in an embodiment of the present application.
- FIG8( b ) is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG8( c ) is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG9( a ) is a schematic diagram of a time-frequency resource provided in an embodiment of the present application.
- FIG9( b ) is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG10( a ) is a schematic diagram of a time-frequency resource provided in an embodiment of the present application.
- FIG10( b ) is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG11( b ) is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG12 is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG13 is a schematic diagram of another time-frequency resource provided in an embodiment of the present application.
- FIG. 14 is a schematic diagram of a communication device provided in an embodiment of the present application.
- FIG. 15 is a schematic diagram of another communication device provided in an embodiment of the present application.
- FIG. 16 is a schematic block diagram of a network device according to an embodiment of the present application.
- FIG. 17 is a schematic block diagram of a terminal device according to an embodiment of the present application.
- the technical solutions of the embodiments of the present application can be applied to various communication systems, such as: the fifth generation ( 5th generation, 5G) system or new radio (new radio, NR), evolved packet core (evolved packet core, EPC), evolved packet system (evolved packet system, EPS), evolved universal mobile telecommunication system (univeRMal mobile telecommunication system, UMTS) terrestrial radio access network (evolved UMTS terrestrial radio access network, E-UTRAN), long term evolution (long term evolution, LTE) system, LTE frequency division duplex (frequency division duplex, FDD) system, LTE time division duplex (time division duplex, TDD), etc.
- the technical solutions provided in the present application can also be applied to future communication systems, such as the sixth generation mobile communication system.
- D2D device-to-device
- V2X vehicle-to-everything
- M2M machine-to-machine
- MTC machine type communication
- IoT Internet of things
- the terminal device in the embodiments of the present application can be called user equipment (UE), access terminal, user unit, user station, mobile station, mobile station, remote station, remote terminal, mobile device, user terminal, terminal, wireless communication equipment, user agent or user device.
- UE user equipment
- access terminal user unit
- user station mobile station
- mobile station mobile station
- remote station remote terminal
- mobile device user terminal
- terminal wireless communication equipment
- user agent wireless communication equipment
- the terminal device can be a device that provides voice/data to the user, for example, a handheld device with wireless connection function, a vehicle-mounted device, etc.
- some terminals can be, for example: mobile phones, tablet computers, laptops, PDAs, mobile internet devices (MID), wearable devices, virtual reality (VR) devices, augmented reality (AR) devices, wireless terminals in industrial control, wireless terminals in self-driving, wireless terminals in remote medical surgery, wireless terminals in smart grids, wireless terminals in transportation safety, wireless terminals in smart Wireless terminals in smart cities, wireless terminals in smart homes, cellular phones, cordless phones, session initiation protocol (SIP) phones, wireless local loop (WLL) stations, personal digital assistants (PDA), handheld devices with wireless communication functions, computing devices or other processing devices connected to wireless modems, wearable devices, terminal devices in 5G networks or terminal devices in future evolved public land mobile networks (PLMN), etc., the embodiments of the present application are not limited to this.
- MID mobile internet devices
- VR virtual reality
- the terminal device may also be a wearable device.
- Wearable devices may also be referred to as wearable smart devices.
- Wearable devices may be a general term for devices that are intelligently designed and developed for daily wear using wearable technology, such as glasses, gloves, watches, clothing, and shoes.
- a wearable device is a portable device that can be worn directly on the body or integrated into the user's clothes or accessories.
- Wearable devices are not only hardware devices, but also powerful functions achieved through software support, data interaction, and cloud interaction.
- wearable smart devices include devices that are fully functional, large in size, and can achieve complete or partial functions without relying on smartphones, such as smart watches or smart glasses, as well as devices that only focus on a certain type of application function and need to be used in conjunction with other devices such as smartphones, such as various types of smart bracelets and smart jewelry for vital sign monitoring.
- the terminal device can also be a terminal device in an IoT system.
- IoT is an important part of the future development of information technology. Its main technical feature is to connect objects to the network through communication technology, thereby realizing an intelligent network that interconnects people and machines and things.
- the network device in the embodiment of the present application may be a device for communicating with a terminal device.
- the network device may be a next-generation base station (gNodeB, gNB) in a 5G communication system, a next-generation base station in a 6G mobile communication system, a base station in a future mobile communication system, or an access node in a WiFi system, etc., an evolved node B (evolved node B, eNB) in an LTE system, a radio network controller (radio network controller, RNC), a node B (node B, NB), a base station controller (base station controller, BSC), a home Base station (e.g., home evolved NodeB, or home Node B, HNB), base band unit (BBU), transmission reception point (TRP), transmitting point (TP), base transceiver station (BTS), etc.
- gNodeB, gNB next-generation base station
- gNodeB next-generation base station
- the network device may include a centralized unit (CU) node, or a distributed unit (DU) node, or a RAN device including a CU node and a DU node, or a control plane CU node and a user plane CU node, and a RAN device of a DU node.
- the network device may provide services for a cell, and a terminal device communicates with a base station through transmission resources (e.g., frequency domain resources, or spectrum resources) used by the cell.
- the cell may be a cell corresponding to a base station (e.g., a base station), and the cell may belong to a macro base station or a base station corresponding to a small cell.
- the small cell here may include: a metro cell, a micro cell, a pico cell, a femto cell, etc. These small cells have the characteristics of small coverage and low transmission power, and are suitable for providing high-speed data transmission services.
- the network device may be a macro base station, a micro base station or an indoor station, a relay node or a donor node, a device that provides wireless communication services to user devices in a V2X communication system, a wireless controller in a cloud radio access network (CRAN) scenario, a relay station, a vehicle-mounted device, a wearable device, and a network device in a future evolution network, etc.
- CRAN cloud radio access network
- the embodiments of the present application do not limit the specific technology and specific form of the network device.
- the terminal device or network device may include a hardware layer, an operating system layer running on the hardware layer, and an application layer running on the operating system layer.
- the hardware layer includes hardware such as a central processing unit (CPU), a memory management unit (MMU), and a memory (also called main memory).
- the operating system may be any one or more computer operating systems that implement business processing through a process, such as a Linux operating system, a Unix operating system, an Android operating system, an iOS operating system, or a Windows operating system.
- the application layer includes applications such as a browser, an address book, a word processing software, and an instant messaging software.
- the embodiment of the present application does not specifically limit the specific structure of the execution subject of the method provided in the embodiment of the present application, as long as it can communicate according to the method provided in the embodiment of the present application by running a program that records the code of the method provided in the embodiment of the present application, for example, the execution subject of the method provided in the embodiment of the present application may be a terminal device or a network device, or a functional module in the terminal device or the network device that can call and execute a program.
- FIG. 1 is an exemplary architecture diagram of a communication system 100 applicable to an embodiment of the present application.
- the communication system 100 may include at least one network device, such as the network device 101 shown in FIG. 1 .
- the communication system 100 may also include at least one terminal device, such as the terminal devices 102 to 107 shown in FIG. 1 .
- the terminal devices 102 to 107 may be mobile or fixed.
- the network device 101 may provide communication coverage for a specific geographic area, and the terminal devices 102 to 107 may be terminal devices located within the coverage area.
- One or more of the network device 101 and the terminal devices 102 to 107 may communicate via a wireless link.
- the terminal devices may communicate directly with each other.
- direct communication between the terminal devices may be achieved using device to device (D2D) technology.
- D2D device to device
- the terminal device 105 and the terminal device 106, and the terminal device 105 and the terminal device 107 may communicate directly using D2D technology.
- the terminal device 106 and the terminal device 107 may communicate with the terminal device 105 individually or simultaneously.
- Antenna port is referred to as port for short. It can be understood as a transmitting antenna identified by the receiving end, or a transmitting antenna that can be distinguished in space.
- An antenna port can be configured for each virtual antenna, and each virtual antenna can be a weighted combination of multiple physical antennas.
- the antenna port can be divided into a reference signal port and a data port.
- the reference signal port can include but is not limited to a DMRS port, a channel state information reference signal (CSI-RS) port, etc.
- This application includes existing ports and newly added ports.
- Existing ports refer to ports in existing protocols, or ports that support technical solutions in existing protocols;
- newly added ports refer to ports that can support the technical solutions of this application.
- DMRS Demodulation reference signal
- DMRS is usually precoded in the same way as the transmitted data signal, so as to ensure that DMRS and the data signal experience the same equivalent channel.
- the DMRS vector sent by the transmitter is s
- the data signal vector sent is x
- DMRS and the data signal are precoded in the same way (multiplied by the same precoding matrix).
- the data signal vector y and DMRS vector r received by the receiver can be expressed by formula (1) and formula (2) respectively:
- the DMRS sequence corresponding to a DMRS port can be mapped to the corresponding time-frequency resource through a preset time-frequency resource mapping rule.
- antenna port p corresponding to DMRS port p
- the mth sequence element r(m) in the corresponding DMRS sequence can be mapped to the RE with index (k, l) p, ⁇ according to the mapping rule shown in formula (6):
- the RE with index (k,l) p, ⁇ corresponds to the OFDM symbol with index l in a time slot in the time domain, and corresponds to the subcarrier with index k in the frequency domain.
- is the DMRS modulation symbol corresponding to the DMRS port p on the RE with index (k,l) p, ⁇ , l′ 0,1;
- ⁇ is the subcarrier offset factor; type1 and type2 represent the two DMRS configuration types currently defined in the NR protocol;
- ⁇ is the subcarrier spacing; is the index of the starting OFDM symbol occupied by the DMRS modulation symbol or the index of the reference OFDM symbol; is a power scaling factor;
- w f (k′) is a frequency domain mask element corresponding to a subcarrier indexed as k′
- w t (l′) is a time domain mask element corresponding to an OFDM symbol indexed as l′
- m 2n+k′.
- ⁇ represents the index of the CDM group, and the DMRS ports in the same CDM group occupy the same time-frequency resources.
- Figure 2 shows two types of DMRS patterns.
- REs with different filling patterns represent different CDM groups;
- P0, P1, ..., P11 represent DMRS port 0 to DMRS port 11;
- the numbers on the horizontal axis represent the index of a symbol in a time slot, and the numbers on the vertical axis represent the index of a subcarrier in an RB.
- the DMRS occupying symbol 0 and symbols 0 and 1 in FIG. 2 are merely examples, and the symbols occupied by the DMRS in a time slot may also be other symbols, such as occupying symbol 1, or occupying symbols 1 and 2.
- CDM group 0 contains DMRS ports P0 and P1
- CDM group 1 contains P2 and P3.
- FDM Frequency division multiplexing
- the reference signals corresponding to the DMRS ports contained in the CDM group are distinguished by orthogonal cover code (OCC), thereby ensuring the orthogonality of the DMRS ports in the CDM group.
- the terminal device can determine the following information through the DCI signaling sent by the network device in combination with Table 3 to Table 6:
- the "index value” can be obtained from the value indicated by the "Antenna port” field in the DCI, and the "DMRS ports” can be obtained according to the "index value”.
- the value when the value is 1, it can indicate that the RE of the current CDM group 0 does not send data. For example, if the current time slot schedules a port belonging to CDM group 0, the RE of the current CDM group 0 does not send data, and the RE that is not mapped to DMRS on the symbol occupied by the currently scheduled DMRS can be scheduled for data; when the value is 2, it can indicate that the RE of the current CDM group 0 and CDM group 1 does not send data; when the value is 3, it indicates that the RE of the current CDM group 0, CDM group 1 and CDM group 2 do not send data.
- the neighboring cell interference actually measured for UE2 is the interference corresponding to the control signal, while the interference to the actual signal is the data signal interference of UE1.
- the neighboring cell interference measured by DMRS is the interference caused by UE2's data, but since DMRS itself only occupies part of the CDM group, the interference intensity to the actual data cannot be fully reflected in the position where the DMRS reference signal is sent, that is, the interference power measured by DMRS is 3A, but the interference power to the actual data is A.
- the actual neighboring cell interference for UE1 is the interference caused by the data ports port0 to 3 of UE2, but the measured neighboring cell interference port is the interference caused by the data ports poor0 to 1 of UE2.
- the actual neighboring cell interference is the interference caused by the data ports port0 to 1 of UE1 (the power can be defined as A), and the measured neighboring cell interference is 2A.
- the first data may be sent from the network device to the terminal device, or may be sent from the terminal device to the network device. Specifically, the flow of the first data will be explained in detail below.
- the first cell may be determined by DCI.
- the DC may be a DCI for scheduling the first shared channel.
- the DCI corresponds to a first index
- the first index corresponds to the first cell
- the first index belongs to a control resource set index. That is, at least one control resource set index may correspond to at least one cell one-to-one, and the cell may be determined according to the control set index corresponding to the DCI.
- the third resource and the second resource may be indicated separately, such as by different indication information, or may be indicated by the same indication information, such as including resource information of the second resource and the third resource in the same indication information, which is not limited in the embodiments of the present application.
- the third resource may be a time-frequency resource.
- the third resource corresponds to N OFDM symbols in the time domain and to M subcarriers in the frequency domain, where N and M are positive integers greater than or equal to 1.
- N is determined based on the number of OFDM symbols occupied by the first shared channel in a time slot.
- the first shared channel occupies 4 OFDM symbols in a time slot, and the maximum value of N may be 4.
- the value of N may be 1, 2, 3, or 4.
- the N OFDM symbols include a first OFDM symbol and a second OFDM symbol
- the difference between the indexes corresponding to the first OFDM symbol and the second OFDM symbol in the third resource is 1, there is a gap between the first OFDM symbol and the second OFDM symbol, and the gap includes at least one OFDM symbol.
- the N OFDM symbols include a first OFDM symbol and a second OFDM symbol
- the index of the first OFDM symbol in the third resource is L
- the index corresponding to the second OFDM symbol in the third resource is L+1
- there is a gap between the first OFDM symbol and the second OFDM symbol and the gap includes at least one OFDM symbol.
- the index difference of 1 means that the two OFDM symbols belong to the third resource, and the OFDM symbol between the two OFDM symbols does not belong to the third resource.
- the resources occupied by the third resource in the time domain are distributed at intervals.
- N takes a value of 3
- the third resource includes OFDM#1, OFDM#2 and OFDM#3, there is a gap between OFDM#1 and OFDM#2, and there is also a gap between OFDM#2 and OFDM#3.
- the third resource includes OFDM#1, OFDM#2, and OFDM#3, and the interval between OFDM#1 and OFDM#2 is the same as the interval between OFDM#2 and OFDM#3.
- there is one OFDM between OFDM#1 and OFDM#2 and there is one OFDM between OFDM#2 and OFDM#3.
- the intervals between the resources occupied by the third resource in the time domain are different.
- the third resource is distributed at unequal intervals in the time domain.
- the third resource includes OFDM#1, OFDM#2, and OFDM#3, and there is a The interval between OFDM#1 and OFDM#2 is different from the interval between OFDM#2 and OFDM#3.
- there is one OFDM between OFDM#1 and OFDM#2 and there are two OFDM between OFDM#2 and OFDM#3.
- the number of OFDM symbols included in the interval is only an example. For example, there are three OFDM between OFDM#1 and OFDM#2, and there are five OFDM between OFDM#2 and OFDM#3. No more details.
- the frequency domain resources corresponding to the third resources are described below by taking the example that the intervals between the time domain resources corresponding to the third resources are the same.
- Symbols 3 to 14 and the frequency domain resources corresponding to symbols 3 to 14 are the time-frequency resources occupied by PDSCH, wherein symbols 3 to 14 contain the third resource.
- the third resource includes symbol 3 and subcarrier 0 on symbol 3, symbol 6 and subcarrier 0 on symbol 6, symbol 9 and subcarrier 0 on symbol 9, and symbol 12 and subcarrier 0 on symbol 12.
- the positions of the frequency domain resources corresponding to the third resource at different time domain positions are the same, or the subcarriers corresponding to the third resource at symbols with different indexes have the same index.
- Symbols 3 to 14 and the frequency domain resources corresponding to symbols 3 to 14 are the time-frequency resources occupied by PDSCH, wherein symbols 3 to 14 contain the third resource.
- the third resource includes symbol 3 and subcarrier 0 on symbol 3, symbol 6 and subcarrier 3 on symbol 6, symbol 9 and subcarrier 6 on symbol 9, and symbol 12 and subcarrier 9 on symbol 12.
- the positions of the frequency domain resources corresponding to the third resource at different time domain positions are different, or the indexes of the subcarriers corresponding to the third resource at symbols with different indexes are different.
- FIG8 (a) and FIG8 (b) the main difference between FIG8 (a) and FIG8 (b) is that the subcarrier index (frequency domain position) corresponding to the third resource in each OFDM symbol in FIG8 (a) is the same, and the subcarrier index corresponding to the third resource in each OFDM symbol in FIG8 (b) is different. Furthermore, the subcarrier index corresponding to the third resource in each OFDM symbol in FIG8 (b) is arranged in arithmetic progression, that is, the frequency domain sampling interval corresponding to the third resource is the same.
- Symbols 3 to 14 and the frequency domain resources corresponding to symbols 3 to 14 are the time-frequency resources occupied by PDSCH, wherein symbols 3 to 14 contain the third resource.
- the third resource includes symbol 3 and subcarrier 0 on symbol 3, symbol 6 and subcarrier 2 on symbol 6, symbol 9 and subcarrier 5 on symbol 9, and symbol 12 and subcarrier 9 on symbol 12. In other words, there is no arithmetic difference in the indexes of subcarriers on different symbols.
- the sampling ergodicity of the entire PDSCH is stronger, such as Figure 8 (b) or Figure 8 (c), but the complexity of receiving PDSCH for the terminal device is greatly increased, because the terminal device needs to receive PDSCH according to different frequency domain resources on different symbols.
- the frequency domain resource positions on each symbol are the same, the ergodicity of the entire PDSCH sampling is limited.
- the statistical sampling characteristics can be improved by adjusting the frequency domain position, such as adjusting subcarrier 0 in Figure 8 (a) to subcarrier 6, subcarrier 9, etc.
- the terminal does not need to assume different time-frequency resources for each symbol to receive PDSCH, and the complexity is lower. Therefore, the above two time-frequency resource mapping methods can be used as candidate mapping methods for the third resource.
- the following describes a method for determining the third resource by taking a mapping method in which "the frequency domain resource position on each symbol is different" as an example.
- Mode A Determine the third resource according to the time domain resources occupied by the shared channel.
- the third resource is determined according to the OFDM symbols occupied by the PDSCH.
- the third resource is related to the number of OFDM symbols occupied by the PDSCH.
- the time domain resource corresponding to the third resource can be determined according to the time domain occupied by the shared channel.
- the number of OFDM symbols corresponding to the third resource can be determined according to the number of OFDM symbols occupied by the PDSCH in a time slot.
- PDSCH occupies 12 symbols from symbol 2 to symbol 13 in a time slot, and the third resource occupies symbol 3, symbol 6, symbol 9, and symbol 12, a total of 4 symbols.
- the number of time domain resources corresponding to the third resource is positively correlated with the number of time domain resources occupied by PDSCH.
- the horizontal axis is the OFDM symbol (hereinafter referred to as symbol) index
- the vertical axis is the subcarrier index
- the upper left corner is the starting OFDM symbol 0 and subcarrier 0.
- the horizontal axis is the OFDM symbol (hereinafter referred to as symbol) index
- the vertical axis is the subcarrier index
- the upper left corner is the starting OFDM symbol 0 and subcarrier 0.
- Symbol 0 and symbol 1 correspond to the time domain resources occupied by PDCCH
- the frequency domain resources corresponding to symbol 0 and symbol 1 i.e., subcarrier 0-subcarrier 11
- Symbol 2 corresponds to the time domain resources occupied by DMRS
- the frequency domain resources corresponding to symbol 2 correspond to the frequency domain resources occupied by DMRS.
- PDSCH occupies symbol 2-symbol 6, a total of 5 symbols.
- the third resource corresponds to two of the symbols, symbol 3 and symbol 6.
- the time domain resources corresponding to the third resource are symbol 3 and symbol 5, and the frequency domain resources corresponding to the third resource are subcarrier 0 on symbol 3, and subcarrier 3 on symbol 5.
- the position of the last time domain resource unit corresponding to the third resource may be the last time domain resource unit occupied by the shared channel, or the position of the last time domain resource unit corresponding to the third resource may be before the last time domain resource unit occupied by the shared channel.
- the OFDM symbol with the latest position in the time domain (or the OFDM symbol with the largest index) in the time domain resources corresponding to the third resource is before the last OFDM symbol (or the OFDM symbol with the largest index) occupied by PDSCH.
- the symbol starting index occupied by each group of Additional DMRS positions is the symbol starting index occupied by each group of Additional DMRS positions
- l d is the number of symbols occupied by PDSCH
- pos0/1/2/3 The values of the Additional DMRS time domain position configuration information corresponding to the high-level signaling, such as the subcarrier index value.
- 10 is a symbol after the pre-DMRS, such as a symbol adjacent to the pre-DMRS (generally the same as the first symbol index occupied by PDSCH), and the remaining numbers are the relative indexes of the OFDM symbols occupied by PDSCH in a time slot.
- Table 7 corresponds to the single-symbol DMRS configuration
- Table 8 corresponds to the dual-symbol DMRS configuration.
- the resources occupied by DMRS may conflict with the third resource.
- the time-frequency position of the third resource as shown in Figure 8 (b) as an example, and the PDSCH matching type (Mapping Type) is type A
- the time domain resources occupied by Additional DMRS are symbol 2, symbol 6, and symbol 9, while the time domain resources corresponding to the third resource are symbol 3, symbol 6, symbol 9, and symbol 12, of which symbol 6 and symbol 9 are occupied by Additional DMRS.
- Method 1 When a resource collision occurs, the third resource can occupy the next symbol of the Additional DMRS time domain symbol.
- the time domain resources occupied by Additional DMRS are symbol 2, symbol 6, and symbol 9, and the time domain resources corresponding to the third resource are symbol 3, symbol 6, symbol 9, and symbol 12, wherein symbol 6 and symbol 9 are occupied by Additional DMRS (i.e., a resource collision occurs), then the time domain resources occupied by the third resource can be adjusted to avoid collision.
- the time domain resources corresponding to the third resource can be symbol 3, symbol 7, symbol 10, and symbol 12.
- the adjustment here i.e., adjusting symbol 6 to symbol 7 and symbol 9 to symbol 10
- symbol 6 can also be adjusted to symbol 8
- symbol 9 can be adjusted to symbol 11, and so on.
- the adjustment methods that can avoid resource collisions should be within the protection scope of the embodiments of the present application.
- the third resources corresponding to the three cells can be shown in FIG. 12, the third resources corresponding to cell#1, cell#2 and cell#3 respectively correspond to symbols 4, 7 and 10 in the time domain, the third resource corresponding to cell#1 corresponds to subcarrier 0 on symbol 4, subcarrier 4 on symbol 7, and subcarrier 8 on symbol 10 in the frequency domain; the third resource corresponding to cell#2 corresponds to subcarrier 1 on symbol 4, subcarrier 5 on symbol 7, and subcarrier 9 on symbol 10 in the frequency domain; the third resource corresponding to cell#3 corresponds to subcarrier 2 on symbol 4, subcarrier 6 on symbol 7, and subcarrier 10 on symbol 10 in the frequency domain. No data is carried on these time-frequency resources.
- the corresponding relationship between the third resources corresponding to different cells and the cells can be predefined.
- the third resources corresponding to different cells are corresponded to the identifier (cell ID) of the cell.
- Table 9 The location of the time domain resources corresponding to the third resource in PDSCH
- l d is the number of symbols that PDSCH continues (or occupies)
- MCS0, MCS1, MCS2, and MCS3 are four different MCSs, for example, they can be four different thresholds of MCS.
- l N is a symbol after the pre-DMRS, for example, a symbol adjacent to the pre-DMRS (generally the same as the first symbol index occupied by PDSCH), and the remaining numbers are the relative index of the OFDM symbol that PDSCH continues in a time slot, or the index offset.
- the frequency domain resource offset is the offset of the frequency domain resource of the third resource relative to the index of the first subcarrier of the first resource
- the time domain resource offset is the offset of the time domain resource of the third resource relative to the index of the first OFDM symbol of the first resource.
- the time domain resources corresponding to the third resource under MCS0 are symbols lN
- the time domain resources corresponding to the third resource under MCS1 are lN
- the time domain resources corresponding to the third resource under MCS2 are lN , 7, 11
- the time domain resources corresponding to the third resource under MCS3 are lN , 5, 8, 11.
- the number of symbols corresponding to the third resource under MSC3 is the largest, and further, the density of the time domain resources corresponding to the third resource under MCS3 is the largest. In other words, after determining the position of the time domain resource corresponding to the third resource, the density of the time domain resources corresponding to the third resource is also determined accordingly.
- the frequency domain resource density corresponding to the third resource can be determined according to Table 10.
- f is the number of subcarriers that PDSCH continues (or occupies), and MCS0, MCS1, MCS2, and MCS3 are four different MCSs, for example, they can be four different thresholds of MCS.
- f N is the predefined position of the first subcarrier (generally the same as the first subcarrier index occupied by PDSCH), and the remaining numbers are the relative indexes of the subcarriers occupied by PDSCH within a symbol. It can be seen that when the MCS is different, when the number of subcarriers occupied by PDSCH is the same, the number of subcarriers occupied by the time domain resources corresponding to the third resource is different.
- the network device configures a third resource for the terminal device.
- the configuration information may be RRC signaling.
- the RRC signaling may be used to indicate the resources corresponding to the third resource in the time domain and the frequency domain.
- the RRC signaling indicates the location information of the third resource in the PDSCH. Specifically, reference may be made to the above-mentioned indication method of DCI, which will not be repeated here.
- the first shared channel also includes a fourth resource, and the fourth resource is different from the time domain resource and/or frequency domain resource of the third resource.
- the fourth resource is different from the third resource in time domain position, or the fourth resource is different from the third resource in frequency domain position, or the fourth resource is different from the third resource in time and frequency position, or the fourth resource is different from the third resource in both time and frequency position.
- processors 1510 there are one or more processors 1510 .
- the memory 1530 is one or more.
- the device 1500 further includes a transceiver 1520, and the transceiver 1520 is used for receiving and/or sending signals.
- the processor 1510 is used to control the transceiver 1520 to receive and/or send signals.
- FIG. 16 shows a simplified schematic diagram of the base station structure.
- the base station includes a portion 1610 and a portion 1620.
- the portion 1112 is mainly used for receiving and transmitting radio frequency signals and for converting radio frequency signals into baseband signals; the portion 1620 is mainly used for baseband processing, controlling the base station, etc.
- the portion 1610 can generally be referred to as a transceiver unit, a transceiver, a transceiver circuit, or a transceiver, etc.
- the portion 1620 is generally the control center of the base station, which can generally be referred to as a processing unit, and is used to control the base station to perform the processing operations on the network device side in the above method embodiment.
- Part 1620 may include one or more boards, each of which may include one or more processors and one or more memories.
- the processor is used to read and execute programs in the memory to implement baseband processing functions and control of the base station. If there are multiple boards, each board can be interconnected to enhance processing capabilities. As an optional implementation, multiple boards may share one or more processors, or multiple boards may share one or more memories, or multiple boards may share one or more processors at the same time.
- FIG16 is merely an example and not a limitation, and the above-mentioned network device including the transceiver unit and the processing unit may not rely on the structure shown in FIG16 .
- the chip When the communication device 1500 is a chip, the chip includes a transceiver unit and a processing unit.
- the transceiver unit can be an input and output circuit.
- the processing unit is a processor or microprocessor or integrated circuit integrated on the chip.
- the communication device 1500 is used to implement the operations performed by the terminal device in the above method embodiments.
- the processor 1510 is used to execute the computer program or instructions stored in the memory 1530 to implement the relevant operations of the terminal device in the above various method embodiments. For example, the method executed by the terminal device in the embodiment shown in FIG6 .
- each step of the above method can be completed by an integrated logic circuit of hardware in the processor 1510 or an instruction in the form of software.
- the method disclosed in conjunction with the embodiment of the present application can be directly embodied as a hardware processor for execution, or a combination of hardware and software modules in the processor for execution.
- the software module can be located in a mature storage medium in the art such as a random access memory, a flash memory, a read-only memory, a programmable read-only memory or an electrically erasable programmable memory, a register, etc.
- the storage medium is located in the memory 1530, and the processor 1510 reads the information in the memory 1530 and completes the steps of the above method in conjunction with its hardware. To avoid repetition, it is not described in detail here.
- FIG17 shows a simplified schematic diagram of the structure of the terminal device.
- the terminal device includes a processor, a memory, a radio frequency circuit, an antenna, and an input-output device.
- the processor is mainly used to process communication protocols and communication data, as well as to control the terminal device, execute software programs, process software program data, etc.
- the memory is mainly used to store software programs and data.
- the radio frequency circuit is mainly used for conversion between baseband signals and radio frequency signals and processing of radio frequency signals.
- the antenna is mainly used to send and receive radio frequency signals in the form of electromagnetic waves.
- Input-output devices such as touch screens, display screens, keyboards, etc., are mainly used to receive data input by users and output data to users. It should be noted that some types of terminal devices may not have input-output devices.
- the terminal device includes a transceiver unit 1710 and a processing unit 1720.
- the transceiver unit 1710 may also be referred to as a transceiver, a transceiver, a transceiver device, etc.
- the processing unit 1720 may also be referred to as a processor, a processing board, a processing module, a processing device, etc.
- the device used to implement the receiving function in the transceiver unit 1710 may be regarded as a receiving unit, and the device used to implement the sending function in the transceiver unit 1710 may be regarded as a sending unit, that is, the transceiver unit 1710 includes a receiving unit and a sending unit.
- the transceiver unit may also be sometimes referred to as a transceiver, a transceiver, or a transceiver circuit, etc.
- the receiving unit may also be sometimes referred to as a receiver, a receiver, or a receiving circuit, etc.
- the sending unit may also be sometimes referred to as a transmitter, a transmitter, or a transmitting circuit, etc.
- the transceiver unit 1710 is used to perform the receiving operation of the terminal device in Figure 6.
- the processing unit 1720 is used to perform the processing action on the terminal device side in Figure 6.
- FIG17 is merely an example and not a limitation, and the above-mentioned terminal device including a transceiver unit and a processing unit may not rely on the structure shown in FIG17 .
- An embodiment of the present application also provides a network device, including: a processor, the processor is coupled to a memory, the memory is used to store programs or instructions, when the program or instructions are executed by the processor, the network device executes the measurement method as described in any of the above.
- the embodiment of the present application also provides a network device, including a transceiver unit and a processing unit.
- the transceiver unit can be used to perform the steps of sending and receiving of the network device in the above method embodiment.
- the processing unit can be used to perform other steps of the network device in the above method embodiment except sending and receiving.
- An embodiment of the present application further provides a computer-readable storage medium having a computer program or instruction stored thereon, wherein when the computer program or instruction is executed, the computer is caused to execute the measurement method as described in any one of the foregoing descriptions.
- An embodiment of the present application further provides a computer program product, which includes: a computer program code, which, when executed on a computer, enables the computer to execute the method executed by the aforementioned network device.
- An embodiment of the present application further provides a computer program product, which includes: a computer program code, which, when executed on a computer, enables the computer to execute the method executed by the aforementioned terminal device.
- An embodiment of the present application also provides a communication system, which includes the network device and the terminal device in the above embodiment.
- the communication system includes: the network device and the terminal device in the embodiments described above in conjunction with FIG. 3 to FIG. 8 .
- the disclosed systems, devices and methods can be implemented in other ways.
- the device embodiments described above are only schematic.
- the division of the units is only a logical function division. There may be other division methods in actual implementation, such as multiple units or components can be combined or integrated into another system, or some features can be ignored or not executed.
- Another point is that the mutual coupling or direct coupling or communication connection shown or discussed can be through some interfaces, indirect coupling or communication connection of devices or units, which can be electrical, mechanical or other forms.
- the units described as separate components may or may not be physically separated, and the components shown as units may or may not be physical units, that is, they may be located in one place or distributed on multiple network units. Some or all of the units may be selected according to actual needs to achieve the purpose of the solution of this embodiment.
- the functions are implemented in the form of software functional units and sold or used as independent products, they can be stored in a computer-readable storage medium.
- the technical solution of the present application can be essentially or partly embodied in the form of a software product that contributes to the prior art.
- the computer software product is stored in a storage medium and includes several instructions for a computer device (which can be a personal computer, server, or network device, etc.) to perform all or part of the steps of the methods described in each embodiment of the present application.
- the aforementioned storage media include: U disk, mobile hard disk, read-only memory (ROM), random access memory (RAM), disk or optical disk, and other media that can store program codes.
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Abstract
Description
c(n)=(x1(n+NC)+x2(n+NC))mod 2
x1(n+31)=(x1(n+3)+x1(n))mod 2
x2(n+31)=(x2(n+3)+x2(n+2)+x2(n+1)+x2(n))mod 2 (4)
Claims (50)
- 一种测量方法,其特征在于,包括:接收第一资源的指示信息,所述第一资源包括第二资源、第三资源和第四资源,所述第二资源用于传输第一数据,所述第三资源不传输所述第一数据,所述第一数据对应的解调参考信号DMRS通过第四资源传输,所述第三资源对应的时域资源与所述第四资源包括的时域资源不同;根据所述第三资源确定第一测量结果。
- 根据权利要求1所述的方法,其特征在于,所述第一数据对应的速率匹配是在所述第一资源上进行的,所述第一资源属于第一共享信道对应的时频资源。
- 根据权利要求2所述的方法,其特征在于,所述第一共享信道与第一小区对应。
- 根据权利要求1至3中任一项所述的方法,其特征在于,所述方法还包括:在所述第四资源上接收所述第一数据对应的DMRS,所述DMRS与第二测量结果相关联,所述第二测量结果用于所述第一数据的接收。
- 根据权利要求4所述的方法,其特征在于,第一DMRS与干扰DMRS端口相关联,所述第一DMRS对应所述第一共享信道,所述第一DMRS属于所述第一数据对应的DMRS,所述第二测量结果与所述干扰DMRS端口相关联。
- 根据权利要求1至5中任一项所述的方法,其特征在于,在一个资源块组RBG中,所述第三资源在时域上对应N个正交频分复用OFDM符号,N为大于或等于1的正整数,在频域上对应M个子载波,M为大于或等于1的正整数。
- 根据权利要求6所述的方法,其特征在于,当N大于或等于2时,所述N个OFDM符号包括第一OFDM符号和第二OFDM符号,所述第一OFDM符号在所述第三资源中的索引为L,所述第二OFDM符号在所述第三资源中对应的索引为L+1,所述第一OFDM符号与所述第二OFDM符号之间存在间隔,所述间隔包括至少一个OFDM符号。
- 根据权利要求6或7所述的方法,其特征在于,所述N个OFDM符号中的首个OFDM符号对应的符号索引为X+1,其中X为前置DMRS对应的最后一个符号的索引。
- 根据权利要求7或8所述的方法,其特征在于,所述第三资源还包括第三OFDM符号,所述第一OFDM符号在所述第三资源中的索引为L,所述第二OFDM符号在所述第三资源中的索引为L+1,所述第三OFDM符号在所述第三资源中对应的索引为L+2,所述第一OFDM符号与第二OFDM符号之间存在第一间隔,所述第二OFDM符号与所述第三OFDM之间存在第二间隔,所述第一间隔包括的OFDM符号数与所述第二间隔包括的OFDM符号数相同。
- 根据权利要求2至9中任一项所述的方法,其特征在于,所述第三资源对应的所述N个OFDM符号和所述M个子载波与所述第一共享信道占用的OFDM符号数、第一DMRS占用的OFDM符号数、所述第一共享信道对应的调制和编码方案MCS或者所述第一共享信道对应的调度带宽或物理资源块RB数中的至少一项关联,所述第一DMRS属于所述第一数据对应的DMRS。
- 根据权利要求10所述的方法,其特征在于,所述第三资源还与小区集合中包括的小区数量关联,所述第一小区属于所述小区集合。
- 根据权利要求11所述的方法,其特征在于,所述小区集合包括至少一个小区,所述至少一个小区与至少一个频域资源偏移量和/或时域资源索引偏移量一一对应,所述频域资源偏移量为所述第三资源的频域资源相对于所述第一资源的首个子载波的索引的偏移量,所述时域资源偏移量为所述第三资源的时域资源相对于所述第一资源的首个OFDM符号的索引的偏移量。
- 根据权利要求10至12中任一项所述的方法,其特征在于,所述第三资源在时域上对应的OFDM符号数是根据所述第一共享信道占用的OFDM符号数、所述第一共享信道对应的MCS和/或DMRS占用的OFDM符号数确定的。
- 根据权利要求10至12中任一项所述的方法,其特征在于,所述第三资源在频域上对应的子载波数是根据所述小区集合中包括的小区数量、所述第一共享信道对应的MCS和/或第一共享信道对应的调度带宽或RB数确定的。
- 根据权利要求1至14中任一项所述的方法,其特征在于,所述方法还包括:接收下行控制信息DCI,所述DCI用于指示所述第三资源,根据所述DCI获取所述第三资源。
- 根据权利要求15所述的方法,其特征在于,所述DCI用于指示第一参考信号类型,所述第一参考信号类型对应至少一个第一图样,所述第一图样包括所述第三资源在所述第一资源中的位置信息,所述第一参考信号类型属于至少一个参考信号类型,所述至少一个参考信号类型中的每个参考信号类型与至少一个第一图样对应;或者,所述DCI用于指示所述第一图样。
- 根据权利要求15所述的方法,其特征在于,所述DCI用于指示第一关系,所述第一关系为所述第三资源与所述第一共享信道占用的OFDM符号数、DMRS占用的OFDM符号数、小区集合中包括的小区数量、所述第一共享信道对应的MCS或所述第一共享信道对应的调度带宽或物理资源块RB数中的至少一项之间的关系,所述第一小区属于所述小区集合。
- 根据权利要求17所述的方法,其特征在于,所述DCI用于指示第一端口的索引,所述第一端口的索引对应第一参考信号类型,所述第一参考信号类型与所述第一关系对应,所述第一参考信号类型属于至少一个参考信号类型,所述至少一个参考信号类型中的每个参考信号类型与至少一个所述第一关系对应;或者,所述第一端口的索引对应所述第一关系。
- 根据权利要求18所述的方法,其特征在于,所述第一端口属于至少一个端口,所述第一关系属于至少一个关系,所述至少一个端口与所述至少一个关系一一对应。
- 根据权利要求15至19中任一项所述的方法,其特征在于,所述DCI对应第一索引,所述第一索引与所述第一小区对应,所述第一索引属于控制资源集合索引。
- 根据权利要求2至20中任一项所述的方法,其特征在于,所述第一测量结果为第二小区的数据信号对所述第一数据的干扰假设,所述第一测量结果用于所述第一数据的接收,所述第二小区属于所述小区集合,所述第二小区与第一小区不同。
- 一种测量方法,其特征在于,包括:确定第一资源;发送所述第一资源的指示信息,所述第一资源包括第二资源、第三资源和第四资源,所述第二资源用于传输第一数据,所述第三资源不传输所述第一数据,所述第一数据对应的解调参考信号DMRS通过第四资源传输,所述第三资源对应的时域资源与所述第四资源包括的时域资源不同。
- 根据权利要求22所述的方法,其特征在于,所述第一数据对应的速率匹配是在所述第一资源上进行的,所述第一资源属于第一共享信道对应的时频资源。
- 根据权利要求23所述的方法,其特征在于,所述第一共享信道与第一小区对应。
- 根据权利要求22至24中任一项所述的方法,其特征在于,所述方法还包括:在所述第四资源上发送所述第一数据对应的DMRS,所述DMRS与第二测量结果相关联,所述第二测量结果用于所述第一共享信道的接收。
- 根据权利要求25所述的方法,其特征在于,第一DMRS与干扰DMRS端口相关联,所述第一DMRS承载于所述第一共享信道,所述第一DMRS属于所述第一数据对应的DMRS,所述第二测量结果与所述干扰DMRS端口相关联。
- 根据权利要求22至26中任一项所述的方法,其特征在于,在一个资源块组RBG中,所述第三资源在时域上对应N个OFDM符号,N为大于或等于1的正整数,在频域上对应M个子载波,M为大于或等于1的正整数。
- 根据权利要求27所述的方法,其特征在于,当N大于或等于2时,所述N个OFDM符号包括第一OFDM符号和第二OFDM符号,所述第一OFDM符号在所述第三资源中的索引为L,所述第二OFDM符号在所述第三资源中对应的索引为L+1,所述第一OFDM符号与所述第二OFDM符号之间存在间隔,所述间隔包括至少一个OFDM符号。
- 根据权利要求27或28所述的方法,其特征在于,所述N个OFDM符号中的首个OFDM符号对应的符号索引为X+1,其中X为前置DMRS对应的最后一个符号的索引。
- 根据权利要求28或29所述的方法,其特征在于,所述第三资源还包括第三OFDM符号,所述第一OFDM符号在所述第三资源中的索引为L,所述第二OFDM符号在所述第三资源中的索引为L+1,所述第三OFDM符号在所述第三资源中对应的索引为L+2,所述第一OFDM符号与第二OFDM符号之间存在第一间隔,所述第二OFDM符号与所述第三OFDM之间存在第二间隔,所述第一间隔包括的OFDM符号数与所述第二间隔包括的OFDM符号数相同。
- 根据权利要求23至30中任一项所述的方法,其特征在于,所述方法还包括:根据所述第一共享信道占用的OFDM符号数、DMRS占用的OFDM符号数或者所述第一共享信道对应的MCS或者所述第一共享信道对应的调度带宽或RB数中的至少一项确定所述第三资源对应的所述N个OFDM符号和所述M个子载波。
- 根据权利要求31所述的方法,其特征在于,所述方法还包括:根据小区集合中包括的小区数量确定所述第三资源,所述第一小区属于所述小区集合。
- 根据权利要求32所述的方法,其特征在于,所述小区集合包括至少一个小区,所述至少一个小区与至少一个频域资源偏移量和/或时域资源索引偏移量一一对应,所述频域资源偏移量为所述第三资源的频域资源相对于所述第一资源的首个子载波的索引的偏移量,所述时域资源偏移量为所述第三资源的时域资源相对于所述第一资源的首个OFDM符号的索引的偏移量。
- 根据权利要求32或33所述的方法,其特征在于,所述方法包括:根据所述第一共享信道占用的OFDM符号数、所述第一共享信道对应的MCS和/或DMRS占用的OFDM符号数确定所述第三资源在时域上对应的资源。
- 根据权利要求32至34中任一项所述的方法,其特征在于,所述方法包括:根据所述小区集合中包括的小区数量、所述第一共享信道对应的MCS和/或第一共享信道对应的调度带宽或RB数确定所述第三资源在频域上对应的资源。
- 根据权利要求22至35中任一项所述的方法,其特征在于,所述方法还包括:发送下行控制信息DCI,所述DCI用于指示所述第三资源。
- 根据权利要求36所述的方法,其特征在于,所述DCI用于指示第一参考信号类型,所述第一参考信号类型对应至少一个第一图样,所述第一图样包括所述第三资源在所述第一资源中的位置信息,所述第一参考信号类型属于至少一个参考信号类型,所述至少一个参考信号类型中的每个参考信号类型与至少一个第一图样对应,或者,所述DCI用于指示所述第一图样。
- 根据权利要求36所述的方法,其特征在于,所述DCI用于指示第一关系,所述第一关系为所述第三资源与所述第一共享信道占用的OFDM符号数、DMRS占用的OFDM符号数、小区集合中包括的小区数量、所述第一共享信道对应的MCS或所述第一共享信道对应的调度带宽或物理资源块RB数中的至少一项之间的关系,所述第一小区属于所述小区集合。
- 根据权利要求38所述的方法,其特征在于,所述DCI用于指示第一端口的索引,所述第一端口的索引对应第一参考信号类型,所述第一参考信号类型与所述第一关系对应,所述第一参考信号类型属于至少一个参考信号类型,所述至少一个参考信号类型中的每个参考信号类型与至少一个所述第一关系对应;或者,所述第一端口的索引对应所述第一关系。
- 根据权利要求39所述的方法,其特征在于,所述第一端口属于至少一个端口,所述第一关系属于至少一个关系,所述至少一个端口与所述至少一个关系一一对应。
- 根据权利要求36至40中任一项所述的方法,其特征在于,所述DCI对应第一索引,所述第一索引与所述第一小区对应,所述第一索引属于控制资源集合索引。
- 根据权利要求22至41中任一项所述的方法,其特征在于,所述第一测量结果为第二小区的数据信号对所述第一数据的干扰假设,所述第一测量结果用于所述第一数据的接收,所述第二小区属于所述小区集合,所述第二小区与第一小区不同。
- 一种通信装置,其特征在于,包括用于执行权利要求1至21中任一项所述的方法的模块或单元。
- 一种通信装置,其特征在于,包括用于执行权利要求22至42中任一项所述的方法的模块或单元。
- 一种通信装置,其特征在于,包括:处理器,用于执行存储器中存储的计算机指令,以使得所述装置执行:如权利要求1至42中任一项所述的方法。
- 根据权利要求45所述的装置,其特征在于,所述装置还包括所述存储器。
- 根据权利要求45或46所述的装置,其特征在于,所述装置还包括通信接口,所述通信接口与所述处理器耦合,所述通信接口,用于输入和/或输出信息。
- 根据权利要求45至47中任一项所述的装置,其特征在于,所述装置为芯片。
- 一种计算机可读存储介质,其特征在于,所述计算机可读存储介质上存储有计算机程序或指令,当所述计算机程序或指令在通信装置上运行时,使得所述通信装置执行如权利要求1至42中任一项所述的方法。
- 一种通信系统,其特征在于,包括如权利要求43和如权利要求44所述的通信装置。
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| CN110545164A (zh) * | 2018-05-28 | 2019-12-06 | 华为技术有限公司 | 用于通信系统中干扰指示的方法及装置 |
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